Home / 28,001.66-42,003.71-13,022.84

Finding the Fourth Proportional to 28,001.66, 42,003.71 and 13,022.84

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Solution

The fourth proportional to 28,001.66, 42,003.71 and 13,022.84 is: 19,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.66 : 42,003.71 = 13,022.84 : x
  2. Step 2: Convert to fraction form
    28,001.66/42,003.71 = 13,022.84/x
  3. Step 3: Cross multiply
    28,001.66x = 42,003.71 × 13,022.84
  4. Step 4: Simplify right side
    28,001.66x = 547,007,319.60
  5. Step 5: Solve for x
    x = 547,007,319.60/28,001.66
  6. Step 6: Final answer
    x = 19,534.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.